Cartesia
Real-time AI voice with millisecond latency
4.7(23 reviews)usage-based
api accessfree tier
AI voice API delivering human-quality speech with sub-100ms latency, purpose-built for real-time conversational applications.
Pros
- Sub-100ms latency
- Natural emotional voice
- Real-time streaming API
Cons
- API-only — developer tool
- Usage-based pricing
Best For
Developers building real-time conversational AI applications where latency matters
Pricing
Starter
Free
- Core features
- Email support
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